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oksano4ka [1.4K]
3 years ago
15

Use the Parabola tool to graph the quadratic function. f(x) = 2x2 + 16x + 31

Mathematics
1 answer:
zvonat [6]3 years ago
7 0
I used a app, I also assumed that the “2x2” of the equation meant 2x^2

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X^2-6x=6<br> solve by completing the square
Ivanshal [37]
Hi!

The answer is x=3± \sqrt{15}
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12 1\2 percent is what amount of 76.80$
Natasha_Volkova [10]
$76.80 minus 12 1/2 is $64.30.
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Adrian built a structure out of 10 congruent cubes. If each cube has a volume of 8 cu. centimeters, what is the total
kobusy [5.1K]

Answer:

Option (b).

Step-by-step explanation:

It is given that Adrian built a structure out of 10 congruent cubes.  

Volume of each cube = 8 cubic centimetres.

We need to find the total volume of the structure.

Total volume = No. of cubes × Volume of each cube

V=10\times 8

V=80

Therefore, the total volume of the structure is 80 cubic centimetres.

Hence, option (b) is correct.

4 0
3 years ago
V^2+2=8-4v^2 solve the question algebically
iris [78.8K]

Answer:

v =  ± sqrt(6/5)

Step-by-step explanation:

v^2+2=8-4v^2

Add 4v^2 to each side

v^2+ 4v^2+2=8-4v^2+ 4v^2

5v^2 +2 = 8

Subtract 2 from each side

5v^2  +2-2 = 8-2

5 v^2 = 6

Divide each side by 5

5v^2 /5 = 6/5

v^2 = 6/5

Take the square root of each side

sqrt(v^2)  = ± sqrt(6/5)

v =  ± sqrt(6/5)

8 0
3 years ago
Read 2 more answers
. Each of the following has 9 as a factor except<br> A) 18018 B) 18 081 C) 81 180<br> D) 81 181
Arlecino [84]

Answer:

d

Step-by-step explanation:

81181÷9=9020.111111

every other number has a whole number as an answer not a decimal

4 0
2 years ago
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